Adapt _WIN32_WINNT version to 0x0501 in headers.h ...to have the build behave on newer MinGW.
Adapt _WIN32_WINNT version to 0x0501 in headers.h
...to have the build behave on newer MinGW.

namecoin/namecoin,acmeyer/namecoin,fflo/sixeleven,namecoin/namecoin-legacy,namecoin-qt/namecoin-qt,eXcomm/namecoin,rsackler/namecoin,cfromknecht/namecoin-legacy,acmeyer/namecoin,cfromknecht/namecoin-legacy,bankonmecoin/namecoin-legacy,namecoin-qt/namecoin-qt,fflo/sixeleven,bankonmecoin/namecoin-legacy,acmeyer/namecoin,jonasbits/namecoin,eXcomm/namecoin,Midar/namecoin,jonasbits/namecoin,cfromknecht/namecoin-legacy,acmeyer/voteid,namecoin/namecoin-legacy,bankonmecoin/namecoin-legacy,awoland/namecoinq,namecoin/namecoin-legacy,indolering/namecoin-qt,okTurtles/namecoin,indolering/namecoin-qt,namecoinq/namecoinq,okTurtles/namecoin,acmeyer/namecoin,acmeyer/voteid,cfromknecht/namecoin-legacy,bankonmecoin/namecoin-legacy,cryptostorm/namecoin,fflo/sixeleven,acmeyer/voteid,indolering/namecoin-qt,indolering/namecoin-qt,eXcomm/namecoin,bankonmecoin/namecoin-legacy,indolering/namecoin-qt,rsackler/namecoin,acmeyer/namecoin,okTurtles/namecoin,eXcomm/namecoin,namecoinq/namecoinq,jonasbits/namecoin,namecoinq/namecoinq,namecoin/namecoin,awoland/namecoinq,acmeyer/voteid,namecoin/namecoin-legacy,cfromknecht/namecoin-legacy,namecoin/namecoin,rsackler/namecoin,namecoin/namecoin-legacy,eXcomm/namecoin,cryptostorm/namecoin,jonasbits/namecoin,Midar/namecoin,namecoin/namecoin,awoland/namecoinq,cryptostorm/namecoin,namecoinq/namecoinq,namecoin/namecoin,namecoinq/namecoinq,Midar/namecoin,cryptostorm/namecoin,okTurtles/namecoin,namecoin-qt/namecoin-qt,namecoin-qt/namecoin-qt,okTurtles/namecoin,rsackler/namecoin,Midar/namecoin,fflo/sixeleven,namecoin-qt/namecoin-qt,cryptostorm/namecoin,awoland/namecoinq,jonasbits/namecoin,awoland/namecoinq,rsackler/namecoin,Midar/namecoin